/Engine/Plugins/Runtime/SmartObjects/Source/SmartObjectsModule/Public/SmartObjectSubsystem.h
Indicates if the slot referred to by the given handle is still accessible in the simulation. This should only be required when a handle is stored and later needed to access slot information (e.g. SlotView) Otherwise a valid SlotHandle can be use directly after calling any of the 'Find' or 'Claim' methods.
True if the handle is valid and its associated slot is accessible; false otherwise.
bool IsSmartObjectSlotValid ( const [FSmartObjectSlotHandle](API\Plugins\SmartObjectsModule\FSmartObjectSlotHandle) SlotHandle ) const